blob: 0bb6e919232a2a1ebc378648698653148b659336 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
<?php
namespace Thrift\Server;
use Thrift\Transport\TTransport;
use Thrift\Exception\TException;
use Thrift\Exception\TTransportException;
/**
* A forking implementation of a Thrift server.
*
* @package thrift.server
*/
class TForkingServer extends TServer
{
/**
* Flag for the main serving loop
*
* @var bool
*/
private $stop_ = false;
/**
* List of children.
*
* @var array
*/
protected $children_ = array();
/**
* Listens for new client using the supplied
* transport. We fork when a new connection
* arrives.
*
* @return void
*/
public function serve()
{
$this->transport_->listen();
while (!$this->stop_) {
try {
$transport = $this->transport_->accept();
if ($transport != null) {
$pid = pcntl_fork();
if ($pid > 0) {
$this->handleParent($transport, $pid);
} elseif ($pid === 0) {
$this->handleChild($transport);
} else {
throw new TException('Failed to fork');
}
}
} catch (TTransportException $e) {
}
$this->collectChildren();
}
}
/**
* Code run by the parent
*
* @param TTransport $transport
* @param int $pid
* @return void
*/
private function handleParent(TTransport $transport, $pid)
{
$this->children_[$pid] = $transport;
}
/**
* Code run by the child.
*
* @param TTransport $transport
* @return void
*/
private function handleChild(TTransport $transport)
{
try {
$inputTransport = $this->inputTransportFactory_->getTransport($transport);
$outputTransport = $this->outputTransportFactory_->getTransport($transport);
$inputProtocol = $this->inputProtocolFactory_->getProtocol($inputTransport);
$outputProtocol = $this->outputProtocolFactory_->getProtocol($outputTransport);
while ($this->processor_->process($inputProtocol, $outputProtocol)) {
}
@$transport->close();
} catch (TTransportException $e) {
}
exit(0);
}
/**
* Collects any children we may have
*
* @return void
*/
private function collectChildren()
{
foreach ($this->children_ as $pid => $transport) {
if (pcntl_waitpid($pid, $status, WNOHANG) > 0) {
unset($this->children_[$pid]);
if ($transport) {
@$transport->close();
}
}
}
}
/**
* Stops the server running. Kills the transport
* and then stops the main serving loop
*
* @return void
*/
public function stop()
{
$this->transport_->close();
$this->stop_ = true;
}
}
|
